System Administrator Jobs in Texas
System Administrator jobs in Texas are in strong demand, concentrated in enterprise technology, healthcare IT, financial services, and defense contracting, with openings at every level from help-desk adjacent junior roles through senior infrastructure engineers. The busiest hiring markets are Dallas-Fort Worth, Houston, and Austin, where companies like Dell Technologies, AT&T, and USAA maintain large IT operations and continuously bring on systems talent. Network administration, cloud infrastructure, and Microsoft Active Directory management are the specialties appearing most consistently across Texas postings. Find a role that fits below and apply directly.
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This is an exciting opportunity for an experienced Linux Systems Administrator or HPC Engineer to work with one of NASA Johnson Space Center's primary high-performance computing environments: the Flight Sciences Laboratory (FSL). The FSL supports more than 1,000 users and includes over 700 computing systems, 26,000 processing cores, and more than 10 petabytes of storage. Its computing resources support complex engineering analyses critical to NASA's human spaceflight programs.
You'll join a team of experienced HPC System Administrators responsible for building, maintaining, securing, and optimizing this extensive computing environment. Your work will span Linux system administration, container-based HPC workflows, high-speed networking, parallel file systems, job scheduling, system configuration management, and advanced computing services.
We are looking for a technical professional who enjoys solving complex problems, exploring innovative technologies, and collaborating with engineers and researchers to keep mission-critical systems operating reliably. If you're passionate about technology and want your expertise to contribute to the future of human space exploration, we want you on our team!
The HPC Linux System Administrator will:
- Administer, maintain, and optimize large-scale Linux systems supporting NASA's High Performance Computing environment.
- Build, configure, troubleshoot, and maintain HPC infrastructure and high-end Linux workstations.
- Develop, implement, and support container-based HPC workflows using modern container technologies.
- Manage system configuration processes and tools to maintain consistent, reliable computing environments.
- Support complex Continuous Integration and Continuous Delivery (CI/CD) workflows and associated software development processes.
- Administer and maintain HPC job scheduling and resource management systems.
- Support high-speed networking technologies and high-speed parallel file systems used in large-scale computing environments.
- Monitor system performance, availability, and infrastructure health; proactively identify and resolve potential issues.
- Investigate complex system problems, perform root-cause analysis, and implement effective solutions.
- Collaborate with engineers, researchers, and laboratory users to resolve technical issues and improve their ability to use HPC resources.
- Support system security requirements, technical documentation, and compliance activities.
- Identify opportunities to improve system performance, automation, reliability, and operational efficiency.
- Work collaboratively with the FSL System Administration Team to ensure computing services effectively support NASA's human spaceflight mission.
Required Education/Experience/Skills:
- Bachelor's degree in a related technical discipline, plus five (5) years of relevant experience.
- Experience administering large-scale computing environments, including at least two years of High-Performance Computing (HPC) system administration experience.
- Strong experience with Linux system administration in enterprise or large-scale computing environments.
- Experience with system configuration management.
- Experience supporting container-based HPC workflows.
- Experience with complex Continuous Integration and Continuous Delivery (CI/CD) workflows.
- Experience administering HPC job schedulers and resource management systems.
- Strong troubleshooting and problem-solving abilities, with the ability to investigate and resolve complex technical issues.
- Demonstrated planning, organizational, and communication skills.
- Ability to work independently and collaboratively in a team-oriented technical environment.
- Experience with any of the following technologies and environments is highly desirable:
- Linux Platforms: Red Hat Enterprise Linux (RHEL) and other Red Hat-based systems.
- Container Technologies: Docker, Podman, and Apptainer.
- High-Performance Storage: Lustre high-speed parallel file systems.
- High-Speed Networking: InfiniBand and related networking technologies.
- Configuration Management: Ansible and Foreman.
- HPC Scheduling: SLURM workload and resource management.
- Software Management: SPACK software package manager.
- System Monitoring: Log consolidation, centralized monitoring, and system health analysis.
- DevOps and CI/CD: Git, GitLab, software development workflows, and automated CI/CD pipelines.
- NASA Infrastructure: Familiarity with the Johnson Space Center campus network.
- NASA Security: Experience with security plans, Plans of Action and Milestones (POA&Ms), Authority to Operate (ATO) documentation, and risk assessments.
- Excellent personal and professional career growth opportunities.
- A 9/80 work schedule, providing every other Friday off, when applicable.
- NASA onsite cafeteria offering breakfast and lunch.
- Opportunities to work with advanced computing technologies and large-scale HPC infrastructure.
- A collaborative team environment supporting NASA's human spaceflight mission.
Essential Requirements
- Must be a U.S. Citizen and successfully complete a U.S. government background investigation.
- Applicant selected may be subject to government security investigation and must meet eligibility requirements for access to classified information.
- Work may involve sitting for extended periods.
- May require lifting and carrying up to 25 lb.
- Must have sufficient mobility to enter areas of test facilities where necessary.
- Generally, an office environment but can involve inside or outside work depending on task.
- Standard office equipment (PC, telephone, fax, etc.)
- Regular attendance in accordance with established work schedule is critical.
- Ability to work outside normal schedule and adjust schedule to meet peak periods and surge requirements when required.
- Must be able to work in a team atmosphere.
- Must put forward a professional behavior that enhances productivity and promotes teamwork and cooperation.
- Grooming and dress must be appropriate for the position and must not impose a safety risk/hazard to the employee or others.
- This position may require some commuting and traveling to other installations as needed.
Don’t miss out on this great opportunity; for immediate consideration, apply now!
Barrios Technology is a drug-free workplace, which is imperative to the health and safety of all employees and is required as a condition of receiving contracts from federal agencies. Please remember that regardless of the legalization of marijuana in several states, possession and use continues to be illegal under the federal Controlled Substances Act. This includes the use of some CBD products. A post-offer, pre-employment drug test is a condition of employment.
Barrios Technology is an Equal Employment Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, disability, sex, sexual orientation, gender identity or expression, age, national origin, veteran status, genetic information, union status and/or beliefs, or any other characteristic protected by federal, state, or local law.
This is an exciting opportunity for an experienced Linux Systems Administrator or HPC Engineer to work with one of NASA Johnson Space Center's primary high-performance computing environments: the Flight Sciences Laboratory (FSL). The FSL supports more than 1,000 users and includes over 700 computing systems, 26,000 processing cores, and more than 10 petabytes of storage. Its computing resources support complex engineering analyses critical to NASA's human spaceflight programs.
You'll join a team of experienced HPC System Administrators responsible for building, maintaining, securing, and optimizing this extensive computing environment. Your work will span Linux system administration, container-based HPC workflows, high-speed networking, parallel file systems, job scheduling, system configuration management, and advanced computing services.
We are looking for a technical professional who enjoys solving complex problems, exploring innovative technologies, and collaborating with engineers and researchers to keep mission-critical systems operating reliably. If you're passionate about technology and want your expertise to contribute to the future of human space exploration, we want you on our team!
The HPC Linux System Administrator will:
- Administer, maintain, and optimize large-scale Linux systems supporting NASA's High Performance Computing environment.
- Build, configure, troubleshoot, and maintain HPC infrastructure and high-end Linux workstations.
- Develop, implement, and support container-based HPC workflows using modern container technologies.
- Manage system configuration processes and tools to maintain consistent, reliable computing environments.
- Support complex Continuous Integration and Continuous Delivery (CI/CD) workflows and associated software development processes.
- Administer and maintain HPC job scheduling and resource management systems.
- Support high-speed networking technologies and high-speed parallel file systems used in large-scale computing environments.
- Monitor system performance, availability, and infrastructure health; proactively identify and resolve potential issues.
- Investigate complex system problems, perform root-cause analysis, and implement effective solutions.
- Collaborate with engineers, researchers, and laboratory users to resolve technical issues and improve their ability to use HPC resources.
- Support system security requirements, technical documentation, and compliance activities.
- Identify opportunities to improve system performance, automation, reliability, and operational efficiency.
- Work collaboratively with the FSL System Administration Team to ensure computing services effectively support NASA's human spaceflight mission.
Required Education/Experience/Skills:
- Bachelor's degree in a related technical discipline, plus five (5) years of relevant experience.
- Experience administering large-scale computing environments, including at least two years of High-Performance Computing (HPC) system administration experience.
- Strong experience with Linux system administration in enterprise or large-scale computing environments.
- Experience with system configuration management.
- Experience supporting container-based HPC workflows.
- Experience with complex Continuous Integration and Continuous Delivery (CI/CD) workflows.
- Experience administering HPC job schedulers and resource management systems.
- Strong troubleshooting and problem-solving abilities, with the ability to investigate and resolve complex technical issues.
- Demonstrated planning, organizational, and communication skills.
- Ability to work independently and collaboratively in a team-oriented technical environment.
- Experience with any of the following technologies and environments is highly desirable:
- Linux Platforms: Red Hat Enterprise Linux (RHEL) and other Red Hat-based systems.
- Container Technologies: Docker, Podman, and Apptainer.
- High-Performance Storage: Lustre high-speed parallel file systems.
- High-Speed Networking: InfiniBand and related networking technologies.
- Configuration Management: Ansible and Foreman.
- HPC Scheduling: SLURM workload and resource management.
- Software Management: SPACK software package manager.
- System Monitoring: Log consolidation, centralized monitoring, and system health analysis.
- DevOps and CI/CD: Git, GitLab, software development workflows, and automated CI/CD pipelines.
- NASA Infrastructure: Familiarity with the Johnson Space Center campus network.
- NASA Security: Experience with security plans, Plans of Action and Milestones (POA&Ms), Authority to Operate (ATO) documentation, and risk assessments.
- Excellent personal and professional career growth opportunities.
- A 9/80 work schedule, providing every other Friday off, when applicable.
- NASA onsite cafeteria offering breakfast and lunch.
- Opportunities to work with advanced computing technologies and large-scale HPC infrastructure.
- A collaborative team environment supporting NASA's human spaceflight mission.
Essential Requirements
- Must be a U.S. Citizen and successfully complete a U.S. government background investigation.
- Applicant selected may be subject to government security investigation and must meet eligibility requirements for access to classified information.
- Work may involve sitting for extended periods.
- May require lifting and carrying up to 25 lb.
- Must have sufficient mobility to enter areas of test facilities where necessary.
- Generally, an office environment but can involve inside or outside work depending on task.
- Standard office equipment (PC, telephone, fax, etc.)
- Regular attendance in accordance with established work schedule is critical.
- Ability to work outside normal schedule and adjust schedule to meet peak periods and surge requirements when required.
- Must be able to work in a team atmosphere.
- Must put forward a professional behavior that enhances productivity and promotes teamwork and cooperation.
- Grooming and dress must be appropriate for the position and must not impose a safety risk/hazard to the employee or others.
- This position may require some commuting and traveling to other installations as needed.
Don’t miss out on this great opportunity; for immediate consideration, apply now!
Barrios Technology is a drug-free workplace, which is imperative to the health and safety of all employees and is required as a condition of receiving contracts from federal agencies. Please remember that regardless of the legalization of marijuana in several states, possession and use continues to be illegal under the federal Controlled Substances Act. This includes the use of some CBD products. A post-offer, pre-employment drug test is a condition of employment.
Barrios Technology is an Equal Employment Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, disability, sex, sexual orientation, gender identity or expression, age, national origin, veteran status, genetic information, union status and/or beliefs, or any other characteristic protected by federal, state, or local law.
See All 76 System Administrator Jobs in Texas
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Find System Administrator JobsSystem Administrator Jobs by City in Texas
Where Texas roles are concentrated, by current openings.
System Administrator Job Market in Texas
A snapshot from current Texas openings, updated as new roles post.
Who's Hiring
Top Industries Hiring
- Electronics & Hardware
- Construction & Real Estate
- Healthcare & Medical Services
What Texas Employers Look For
The qualifications that appear most often in system administrator jobs across Texas.
- CompTIA A+, Network+, or Security+ certification strongly preferred by most Texas employers
- Hands-on experience managing Windows Server and Active Directory environments required
- Proficiency with virtualization platforms such as VMware or Hyper-V expected at most levels
- Familiarity with cloud platforms including Microsoft Azure or AWS increasingly required
- Experience supporting network infrastructure including routers, switches, and firewalls
- Strong troubleshooting skills for hardware, software, and connectivity issues across enterprise environments
System Administrator Jobs in Texas: Frequently Asked Questions
How do you become a system administrator in Texas?
Texas has no state-issued license specific to system administration, so the path runs through vendor-neutral and vendor certifications alongside a relevant degree or equivalent experience. Most Texas employers want at minimum a CompTIA A+ or Network+ credential for entry roles, with Microsoft, Cisco, or VMware certifications carrying weight at mid and senior levels. An associate or bachelor's degree in information technology, computer science, or a related field strengthens a candidacy meaningfully, though demonstrated hands-on lab experience can substitute at smaller Texas employers.
How much do system administrators make in Texas?
System administrators in Texas earn a median of about $101,240 a year, based on May 2025 Bureau of Labor Statistics wage data, ranging from around $63,650 for the lowest 10% to over $155,430 for the top 10%. Pay rises with experience, specialty, and employer.
Which companies hire system administrators in Texas?
Employers hiring system administrators in Texas right now include Raytheon, Empower AI, and Core Scientific, based on current listings on Migrate Mate as of November 2026. Texas's concentration of defense contractors, major financial institutions, and large regional health systems means consistent, recurring demand for systems talent beyond typical tech-company cycles.
Which Texas cities have the most system administrator jobs?
Houston, San Antonio, and Austin account for the largest share of system administrator openings in Texas. Dallas-Fort Worth leads because of its density of corporate headquarters, financial services firms, and telecom companies, while Houston's energy sector and Texas Medical Center drive sustained IT infrastructure demand, and Austin's expanding tech industry continues pulling in systems professionals at a steady pace.
Are there remote system administrator jobs in Texas?
Yes, but they're less common than for purely analytical or software roles because system administration often involves hands-on work with physical servers, network hardware, and on-site infrastructure. About 23% of system administrator openings tied to Texas are remote or hybrid as of November 2026, with remote arrangements most often available for cloud-focused roles or monitoring and scripting responsibilities that don't require physical presence.
How can I get hired as a system administrator in Texas with little or no experience?
The most realistic entry point is a help desk or IT support role, which large Texas employers like Texas Health Resources, H-E-B, and the University of Texas system regularly post at the associate level with minimal experience required. Earning CompTIA A+ before applying gives an immediate edge. From a help desk position, candidates can move laterally into junior sysadmin duties within one to two years by volunteering for server and network tasks and pursuing Network+ or Microsoft certifications while employed.
Where can I find and apply to system administrator jobs in Texas?
You can find and apply to system administrator jobs in Texas on Migrate Mate, which lists current Texas openings across industries and experience levels. Find the roles that fit your background and apply directly to the employers posting them.
See All 76 System Administrator Jobs in Texas
Find roles in Texas that match your experience and apply in just a few clicks.
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